-- 盘点退款误重置资产钱包的候选记录。
-- 只读脚本：不会修改任何数据。
WITH refund_resources AS (
    SELECT
        r.id AS refund_id,
        r.refund_no,
        r.order_id,
        o.order_no,
        o.generation AS order_generation,
        r.processed_at,
        COALESCE(r.order_type, o.order_type) AS order_type,
        CASE
            WHEN COALESCE(r.iot_card_id, o.iot_card_id) IS NOT NULL THEN 'iot_card'
            ELSE 'device'
        END AS resource_type,
        COALESCE(r.iot_card_id, o.iot_card_id, r.device_id, o.device_id) AS resource_id
    FROM tb_refund_request r
    JOIN tb_order o ON o.id = r.order_id
    WHERE r.deleted_at IS NULL
      AND r.status = 2
      AND r.asset_reset = TRUE
),
wallets AS (
    SELECT
        rr.*,
        active_wallet.id AS active_wallet_id,
        active_wallet.balance AS active_balance,
        active_wallet.frozen_balance AS active_frozen_balance,
        active_wallet.created_at AS active_wallet_created_at,
        deleted_wallet.id AS deleted_wallet_id,
        deleted_wallet.balance AS deleted_balance,
        deleted_wallet.frozen_balance AS deleted_frozen_balance,
        deleted_wallet.deleted_at AS deleted_wallet_deleted_at,
        COALESCE(active_tx.tx_count, 0) AS active_wallet_tx_count,
        COALESCE(deleted_tx.tx_count, 0) AS deleted_wallet_tx_count
    FROM refund_resources rr
    LEFT JOIN LATERAL (
        SELECT *
        FROM tb_asset_wallet w
        WHERE w.resource_type = rr.resource_type
          AND w.resource_id = rr.resource_id
          AND w.deleted_at IS NULL
        ORDER BY w.created_at DESC, w.id DESC
        LIMIT 1
    ) active_wallet ON TRUE
    LEFT JOIN LATERAL (
        SELECT *
        FROM tb_asset_wallet w
        WHERE w.resource_type = rr.resource_type
          AND w.resource_id = rr.resource_id
          AND w.deleted_at IS NOT NULL
        ORDER BY w.deleted_at DESC, w.id DESC
        LIMIT 1
    ) deleted_wallet ON TRUE
    LEFT JOIN LATERAL (
        SELECT COUNT(*) AS tx_count
        FROM tb_asset_wallet_transaction t
        WHERE t.asset_wallet_id = active_wallet.id
          AND t.deleted_at IS NULL
    ) active_tx ON TRUE
    LEFT JOIN LATERAL (
        SELECT COUNT(*) AS tx_count
        FROM tb_asset_wallet_transaction t
        WHERE t.asset_wallet_id = deleted_wallet.id
          AND t.deleted_at IS NULL
    ) deleted_tx ON TRUE
)
SELECT
    w.*,
    CASE
        WHEN w.deleted_wallet_id IS NULL THEN 'no_deleted_wallet'
        WHEN w.active_wallet_id IS NULL THEN 'no_active_wallet'
        WHEN w.active_wallet_tx_count = 0 AND w.active_balance = 0 AND w.active_frozen_balance = 0 THEN 'restore_old_wallet'
        ELSE 'merge_old_balance_manual_review'
    END AS suggested_action
FROM wallets w
ORDER BY w.refund_id DESC;